package cn.fanyamin.util;


/* $Id: SnoopServlet.java,v 1.5 2004/02/22 22:57:59 billbarker Exp $
*
*/
/*   
*  Copyright 1999-2004 The Apache Software Foundation
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


/**
*
*
* @author James Duncan Davidson 
* @author Jason Hunter 
*/

public class DebugServlet extends HttpServlet {

   public void doGet(HttpServletRequest request, HttpServletResponse response)
       throws ServletException, IOException
   {
       PrintWriter out = response.getWriter();
       response.setContentType("text/plain");

       out.println("Snoop Servlet");
       out.println();
       out.println("Servlet init parameters:");
       Enumeration e0 = getInitParameterNames();
       while (e0.hasMoreElements()) {
           String key = (String)e0.nextElement();
           String value = getInitParameter(key);
           out.println("   " + key + " = " + value); 
       }
       out.println();
    
       out.println("Context init parameters:");
       ServletContext context = getServletContext();
       Enumeration e1 = context.getInitParameterNames();
       while (e1.hasMoreElements()) {
           String key = (String)e1.nextElement();
               Object value = context.getInitParameter(key);
               out.println("   " + key + " = " + value);
       }
       out.println();
    
       out.println("Context attributes:");
       e1 = context.getAttributeNames();
       while (e1.hasMoreElements()) {
           String key = (String)e1.nextElement();
               Object value = context.getAttribute(key);
               out.println("   " + key + " = " + value);
       }
       out.println();
       
       out.println("Request attributes:");
       e0 = request.getAttributeNames();
       while (e0.hasMoreElements()) {
           String key = (String)e0.nextElement();
           Object value = request.getAttribute(key);
           out.println("   " + HtmlFilter.filter(key) + " = " + value);
       }
       out.println();
       out.println("Servlet Name: " + getServletName());
       out.println("Protocol: " + request.getProtocol());
       out.println("Scheme: " + request.getScheme());
       out.println("Server Name: " + HtmlFilter.filter(request.getServerName()));
       out.println("Server Port: " + request.getServerPort());
       out.println("Server Info: " + context.getServerInfo());
       out.println("Remote Addr: " + request.getRemoteAddr());
       out.println("Remote Host: " + request.getRemoteHost());
       out.println("Character Encoding: " + HtmlFilter.filter(request.getCharacterEncoding()));
       out.println("Content Length: " + request.getContentLength());
       out.println("Content Type: "+ HtmlFilter.filter(request.getContentType()));
       out.println("Locale: "+ HtmlFilter.filter(request.getLocale().toString()));
       out.println("Default Response Buffer: "+ response.getBufferSize());
       out.println();
       out.println("Parameter names in this request:");
       e0 = request.getParameterNames();
       while (e0.hasMoreElements()) {
           String key = (String)e0.nextElement();
           String[] values = request.getParameterValues(key);
           out.print("   " + HtmlFilter.filter(key) + " = ");
           for(int i = 0; i < values.length; i++) {
               out.print(HtmlFilter.filter(values[i]) + " ");
           }
           out.println();
       }
       out.println();
       out.println("Headers in this request:");
       e0 = request.getHeaderNames();
       while (e0.hasMoreElements()) {
           String key = (String)e0.nextElement();
           String value = request.getHeader(key);
           out.println(HtmlFilter.filter("   " + key + ": " + value));
       }
       out.println();  
       out.println("Cookies in this request:");
       Cookie[] cookies = request.getCookies();
       for (int i = 0; i < cookies.length; i++) {
           Cookie cookie = cookies[i];
           out.println(HtmlFilter.filter("   " + cookie.getName() + " = " + cookie.getValue()));
       }
       out.println();

       out.println("Request Is Secure: " + request.isSecure());
       out.println("Auth Type: " + request.getAuthType());
       out.println("HTTP Method: " + request.getMethod());
       out.println("Remote User: " + request.getRemoteUser());
       out.println("Request URI: " + request.getRequestURI());
       out.println("Context Path: " + request.getContextPath());
       out.println("Servlet Path: " + request.getServletPath());
       out.println("Path Info: " + HtmlFilter.filter(request.getPathInfo()));
       out.println("Path Trans: " + request.getPathTranslated());
       out.println("Query String: " + HtmlFilter.filter(request.getQueryString()));

       out.println();
       HttpSession session = request.getSession();
       out.println("Requested Session Id: " +
                   HtmlFilter.filter(request.getRequestedSessionId()));
       out.println("Current Session Id: " + session.getId());
       out.println("Session Created Time: " + session.getCreationTime());
       out.println("Session Last Accessed Time: " +
                   session.getLastAccessedTime());
       out.println("Session Max Inactive Interval Seconds: " +
                   session.getMaxInactiveInterval());
       out.println();
       out.println("Session values: ");
       Enumeration names = session.getAttributeNames();
       while (names.hasMoreElements()) {
           String name = (String) names.nextElement();
           out.println(HtmlFilter.filter("   " + name + " = " + session.getAttribute(name)));
       }
   }
}
